Question

list four function of the human heart. why is double circulation necessery in the human body?​

Answer 1

Answer:

• ❣A circulatory path is a path taken by the blood, wherein it travels throughout the different organs of the body through arteries and veins. In humans, it is a closed circulatory system that exists, as blood flows in closed blood vessels. The circulatory system is responsible for the transport of gases, nutrients, waste products etc.❣

Answer 2

Answer:

importance of double circulation :-

Explanation:

It prevents the mixing of of oxygeneted and deoxygeneted blood .therefor, all the body parts gets an efficient supply of oxygeneted blood .